131366504463 has 16 divisors (see below), whose sum is σ = 185901246720. Its totient is φ = 82229307776.

The previous prime is 131366504459. The next prime is 131366504471. The reversal of 131366504463 is 364405663131.

It is a cyclic number.

It is not a de Polignac number, because 131366504463 - 2² = 131366504459 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131366504443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3052395 + ... + 3095132.

It is an arithmetic number, because the mean of its divisors is an integer number (11618827920).

Almost surely, 2^131366504463 is an apocalyptic number.

131366504463 is a deficient number, since it is larger than the sum of its proper divisors (54534742257).

131366504463 is a wasteful number, since it uses less digits than its factorization.

131366504463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6147966.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 131366504463 in words is "one hundred thirty-one billion, three hundred sixty-six million, five hundred four thousand, four hundred sixty-three".